/Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsEditorOnlyExp/Public/AttributeEditorTool.h
Clear the selected UV layers, setting all UV values to (0,0)
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(CallInEditor, Category=UVs, Meta=(DisplayPriority=3)) void DeleteSelected()